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 * and open the template in the editor.
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package com.zjdt.epserver.servlet.web.cargo;

import com.zjdt.epserver.db.dao4mysql.MisceDaoImpl;
import com.zjdt.epserver.db.service4mysql.CargoServiceImpl;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Date;
import java.util.List;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.dusin.util.DateUtil;
import org.dusin.web.util.JsonUtil;
import org.springframework.context.ApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;

/**
 *
 * @author dusin
 */
@WebServlet(name = "LoadSiterStat", urlPatterns = {"/servlet/web/cargo/LoadSiterStat"})
public class LoadSiterStat extends HttpServlet {
    private MisceDaoImpl instance;

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        String jsonText=null;
        try {
            ApplicationContext context = WebApplicationContextUtils.getWebApplicationContext(getServletContext());
            instance = (MisceDaoImpl) context.getBean("misceDao");
            String type = request.getParameter("type");
            String date = request.getParameter("dateFrom");
            String dateFrom=null;
            String dateTo=null;
            if("1".equals(type)){
                dateFrom=date.replaceAll("[-]", "");
                dateTo = dateFrom;
            }else if("2".equals(type)){
                date = date.substring(0,7);
                date= date.replaceAll("[-]", "");
                dateFrom = date+"01";
                dateTo = date+"31";
            }else{  //今天数据
                dateFrom = DateUtil.get(new Date(), "yyyyMMdd");
                dateTo = dateFrom;
                //throw new Exception("参数错误");
            }
            List<Map<String,Object>> list = instance.findSiterStat(dateFrom, dateTo);
            jsonText = JsonUtil.toDatagrid(list);
            
        } catch(Exception e){
            e.printStackTrace();
            jsonText = JsonUtil.createFailureJsonResponse("操作失败");
        }finally {
            out.println(jsonText);
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
